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2020102300 = 2252294714821
BaseRepresentation
bin111100001101000…
…0101000010011100
312012210011211101201
41320122011002130
513114121233200
6532241445244
7101026405036
oct17032050234
95183154351
102020102300
11947327837
12484640824
13262695208
1415240cc56
15bc533c6a
hex7868509c

2020102300 has 72 divisors (see below), whose sum is σ = 4631578560. Its totient is φ = 763526400.

The previous prime is 2020102297. The next prime is 2020102339. The reversal of 2020102300 is 32010202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128890 + ... + 143710.

It is an arithmetic number, because the mean of its divisors is an integer number (64327480).

Almost surely, 22020102300 is an apocalyptic number.

2020102300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020102300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2315789280).

2020102300 is an abundant number, since it is smaller than the sum of its proper divisors (2611476260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020102300 is a wasteful number, since it uses less digits than its factorization.

2020102300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14911 (or 14904 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2020102300 is about 44945.5481666427. The cubic root of 2020102300 is about 1264.1282041288.

Adding to 2020102300 its reverse (32010202), we get a palindrome (2052112502).

The spelling of 2020102300 in words is "two billion, twenty million, one hundred two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 29 47 50 58 94 100 116 145 188 235 290 470 580 725 940 1175 1363 1450 2350 2726 2900 4700 5452 6815 13630 14821 27260 29642 34075 59284 68150 74105 136300 148210 296420 370525 429809 696587 741050 859618 1393174 1482100 1719236 2149045 2786348 3482935 4298090 6965870 8596180 10745225 13931740 17414675 20201023 21490450 34829350 40402046 42980900 69658700 80804092 101005115 202010230 404020460 505025575 1010051150 2020102300